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. Author manuscript; available in PMC: 2010 Nov 9.
Published in final edited form as: Biomacromolecules. 2009 Nov 9;10(11):3114–3121. doi: 10.1021/bm900846m

Figure 3.

Figure 3

The dependence of initial polymerization rates on Fe+2 concentrations for (●) 1.5 × 10−3 M, (□)1.0 × 10−3 M, (△) 5.0 × 10−4 M, (◇) 3.0 × 10−4 M, and (■)1.75 × 10−4 M of glucose. This plot displays that the Rp is dependent upon the square root of the Fe+2 concentrations indicating a typical biomolecular termination mode for this range of iron values. Additionally, at (●) 1.5 × 10−3 M and (□)1.0 × 10−3 M of glucose, the Rp values are near identical with increasing Fe+2. This is consistent with zero order dependence of glucose above 1.0 × 10−3 M. All reactions were performed with ambient oxygen and temperature with 6.25 × 10−7 M GOX, 10mM MES pH=4.5, 20wt% HEA and 15wt% PEGDA575.